The GPI65007DF56 from GaNPower International is a GaN Power Transistor with Gate Threshold Voltage 0.9 to 2.9 V, Drain Source Voltage 650 V, Drain Source Resistance 170 to 360 milli-ohm, Continous Drain Current 7 A, Pulsed Drain Current 16 A. Tags: Surface Mount. More details for GPI65007DF56 can be seen below.